偏心半球閥是一種常用的控制閥，其主要功能是控制流體的流量和壓力。其工作原理是通過旋轉半球閥芯來控制流體的流量和壓力，從而實現流體的控制和調節。以下是偏心半球閥的工作原理、結構特點和應用領域的詳細介紹。偏心半球閥的工作原理是通過旋轉半球閥芯來控制流體的流量和壓力。當半球閥芯旋轉時，流體會從閥門的進口流入半球閥芯的內部，然后通過半球閥芯的出口流出。半球閥芯的旋轉角決定了流體的流量和壓力，因此流體的控制和調節可以通過控制半球閥芯的旋轉角來實現。
Eccentric hemispherical valve is a commonly used control valve, whose main function is to control the flow and pressure of fluid. Its working principle is to control the flow and pressure of the fluid by rotating the hemispherical valve core, thereby achieving fluid control and regulation. The following is a detailed introduction to the working principle, structural characteristics, and application fields of the eccentric hemisphere valve. The working principle of an eccentric hemisphere valve is to control the flow and pressure of the fluid by rotating the hemisphere valve core. When the hemispherical valve core rotates, fluid will flow from the inlet of the valve into the interior of the hemispherical valve core, and then flow out through the outlet of the hemispherical valve core. The rotation angle of the hemispherical valve core determines the flow rate and pressure of the fluid, so the control and adjustment of the fluid can be achieved by controlling the rotation angle of the hemispherical valve core.
上海良工閥門山東銷售處告訴你偏心半球閥的結構特點主要包括以下幾個方面：
The Shandong sales office of Shanghai Lianggong Valve tells you that the structural characteristics of eccentric hemisphere valves mainly include the following aspects:
1.閥體:偏心半球閥的閥體通常采用球體結構。球體的一邊是半球形的，另一邊是圓形的。半球形的一邊是閥門的進口，圓形的一邊是閥門的出口。
1. Valve body: The valve body of an eccentric hemisphere valve usually adopts a spherical structure. One side of the sphere is hemispherical, and the other side is circular. The hemispherical side is the inlet of the valve, and the circular side is the outlet of the valve.
2.半球閥芯:半球閥芯是偏心半球閥的核心部件，其形狀類似于半球形碗。半球閥芯的一側凸起，另一側凹陷。凸起的一側對應閥體的半球形一側，凹陷的一側對應閥體的圓形一側。
2. Hemisphere valve core: The hemispherical valve core is the core component of an eccentric hemispherical valve, and its shape is similar to a hemispherical bowl. One side of the hemispherical valve core is raised and the other side is concave. The protruding side corresponds to the hemispherical side of the valve body, and the concave side corresponds to the circular side of the valve body.
3.傳動裝置:手動、電動或氣動傳動裝置通常用于偏心半球閥的傳動裝置。手動傳動裝置通常使用手輪或手柄，電機和減速器通常用于電動傳動裝置，氣動執行器通常用于氣動傳動裝置。
3. Transmission device: Manual, electric, or pneumatic transmission devices are usually used for transmission devices of eccentric hemisphere valves. Manual transmission devices typically use handwheels or handles, motors and reducers are typically used for electric transmission devices, and pneumatic actuators are typically used for pneumatic transmission devices.
4.密封結構:偏心半球閥的密封結構通常采用軟密封或金屬密封。橡膠或聚四氟乙烯通常用于軟密封，不銹鋼或鈦合金通常用于金屬密封。
4. Sealing structure: The sealing structure of eccentric hemisphere valves usually adopts soft sealing or metal sealing. Rubber or polytetrafluoroethylene is commonly used for soft sealing, while stainless steel or titanium alloy is commonly used for metal sealing.
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